• Attacks by Vikings and other invaders

• Weakening of centralized government
• Decision of nobles to take over local defense

The list above is describing :
A. the reasons for the development of feudalism.

B. the political relationships under feudalism.

C. the development of social classes during feudalism.

D. the economic consequences of feudalism.

2 answers

A. the reasons for the development of feudalism.
the bot is right